1. Bluetooth 5.4; Chip: Zhongke Bluexun AB5632C 2. Battery capacity: 400mAh; Charging time: 2 hours 3. Use time: 30 hours (22 hours with ANC on) 4. Dimensions: 18.8 x 16.8 x 7.9cm; Weight: 239g 5. Support ANC noise reduction, independent button switch; support Bluetooth, AUX and other modes 6. Support Chinese and English prompt tone: double-click the power button when not paired
